package homework;
import java.util.Scanner;
public class Domo1 {
    public static void main(String[] args){
        System.out.println("请输入你所判断的年份：");
        Scanner sc = new Scanner(System.in);
        int year = sc.nextInt();
        int o;
        if((year % 4 == 0)||(year % 400 == 0 && year % 100 == 0)){
            System.out.println(year + "是闰年！");
        }else{
            System.out.println(year + "不是闰年!");
        }
        }
    }

